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Four nested logistic regression models were constructed in these groups, each building upon the previous one by adding sequentially explanatory variables: sex, age, and race/ethnicity in Model 1, plus citizenship in Model 2, plus BMI and PIR in Model 3, plus education level in Model 4

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It may be helpful for you to avoid tobacco triggers during the first few weeks to months after quitting

If you smoke in Texas, you might want to sit down for this